MANZONI TRUCKING & EXCAVATING INC
California contractor license #862651 · Sonoma, Sonoma County
License
- License number
- 862651
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Corporation
- Issued
- Aug 9, 2005
- Expires
- Oct 31, 2026
- Workers' compensation
- Workers' Compensation Insurance — Pinnacle National Insurance Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Aug 26, 2026. Verify license #862651 on CSLB's License Check.
California public works
MANZONI TRUCKING & EXCAVATING INC appears on 25 public works projects registered with the California Department of Industrial Relations, 1 of them as the prime contractor, for 16 awarding bodies between 2021 and 2026. Projects it led total $53,000 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 11, 2026 | Vichy Portable Classroom and ParkingDemolition & site work | Napa Valley Unified School District | Subcontractor | $637,600 |
| Apr 16, 2026 | Old Mill ModernizationBuildings & facilities | Mill Valley School Districts | Subcontractor | $2,919,688 |
| Jan 22, 2026 | Vichy Relocatable ClassroomsBuildings & facilities | Napa Valley Unified School District | Subcontractor | $478,568 |
| Oct 15, 2025 | 2025 Effluent Storage Pond Vegetation MaSewer & wastewater | Las Gallinas Valley Sanitary District | Subcontractor | $111,750 |
| Sep 1, 2025 | 2025 Tubbs Island Erosion Repair ProjectStorm drain & flood control | Vallejo Flood and Wastewater District | Prime | $53,000 |
| Jul 21, 2025 | Valle Verde Dr Paving - Water Main LeakWater | City of Napa | Subcontractor | $60,652 |
| Jul 2, 2025 | Jefferson St Paving for Water LeakWater | City of Napa | Subcontractor | $70,000 |
| Jun 24, 2025 | Mockingbird Dr Trench Subsidence RepairsPaving & streets | Bodega Bay Public Utility District | Subcontractor | $123,563 |
| Jun 3, 2025 | AQPI C-Band Radar at Mt. BarnabeElectrical, low voltage & AV | Sonoma County Water Agency. | Subcontractor | $515,860 |
| Apr 10, 2025 | Redwood MS PavingPaving & streets | Napa Valley Unified School District | Subcontractor | $473,789 |
| Feb 26, 2025 | Berryessa Knoxville Rd MPM 4.0 Emerge SRPaving & streets | Napa County Public Works | Subcontractor | $380,000 |
| Jan 16, 2025 | SMS & BV Campus ModBuildings & facilities | Napa Valley Unified School District | Subcontractor | $13,751,154 |
| Dec 10, 2024 | Larson Park ImprovementsPaving & streets | County of Sonoma - Regional Parks | Subcontractor | $4,029,687 |
| Jul 2, 2024 | Drought Relief Pipeline ReplacementWater | Diamond A Mutual Water Company | Subcontractor | $1,452,418 |
| Jul 1, 2024 | SVCSD Sewer Trunk Main Replacement Ph 5ASewer & wastewater | Sonoma County Water Agency. | Subcontractor | — |
| Jun 18, 2024 | Browns Valley Road Water Main InstallatiWater | City of Napa | Subcontractor | $2,957,141 |
| Apr 1, 2024 | Municipal Recycled Water Pipeline ProjecWater | City of Healdsburg | Subcontractor | — |
| Feb 18, 2024 | Dam Road Water Line Replacement and ExpaWater | Konocti County Water District | Subcontractor | — |
| Feb 9, 2024 | Donaldson Way Campus UpgradesBuildings & facilities | Napa Valley Unified School District | Subcontractor | $14,428,073 |
| Jan 18, 2024 | Construction of the Foley Family CommuniOther | City of Healdsburg | Subcontractor | — |
| Aug 18, 2023 | Drake Avenue ApartmentsOther | Marin County Pacific Associates, a California limited partnership | Subcontractor | — |
| Jul 27, 2023 | Wykoff Drive Water and Sewer ReplacementSewer & wastewater | City of Vacaville | Subcontractor | — |
| May 29, 2023 | Los Alamos Trunk Sewer Replacement SegmeSewer & wastewater | City of Santa Rosa | Subcontractor | — |
| Sep 6, 2022 | Municipal Recycled Water Pipeline ProjecWater | City of Healdsburg | Subcontractor | — |
| Jul 1, 2021 | Trucking Services for Hauling ServicesDemolition & site work | City of Napa - Public Works Department | Subcontractor | — |
Most recent 25 of 25. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.
Awarding bodies it works for most
- Napa Valley Unified School District · 5 projects
- City of Healdsburg · 3 projects
- City of Napa · 3 projects
- Sonoma County Water Agency. · 2 projects
- City of Santa Rosa · 1 project
- City of Vacaville · 1 project
- Mill Valley School Districts · 1 project
- Diamond A Mutual Water Company · 1 project
- City of Napa - Public Works Department · 1 project
- Vallejo Flood and Wastewater District · 1 project
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